/Engine/Source/Runtime/SignalProcessing/Public/DSP/Flanger.h
void ProcessAudio ( const [FAlignedFloatBuffer](API\Runtime\SignalProcessing\DSP\FAlignedFloatBuffer) & InBuffer, const int32 InNumSamples, [FAlignedFloatBuffer](API\Runtime\SignalProcessing\DSP\FAlignedFloatBuffer) & OutBuffer )